﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace ShitLibrary
{


  public delegate void NonEditableClickDelegate(object obj, CEventArgs e);
  /// <summary>
  /// UMLTreeView.xaml 的交互逻辑
  /// </summary>
  public partial class UMLTreeView : TreeView
  {
    public UMLTreeView()
    {
      InitializeComponent();
    }

    object lastSelected = null;
    private void PART_Header_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
    {
      if(lastSelected != this.SelectedItem)
      {
        lastSelected = this.SelectedItem;
        PreEditDelegate?.Invoke(sender, new CEventArgs(lastSelected,e));
      }
    }

    public event NonEditableClickDelegate PreEditDelegate;
  }
}
